In Gushi, whenever a distinguished guest comes to the door, the qualified host will take leather silk to dinner to show hospitality. It is said that the production of leather silk began in the late Ming Dynasty, and was originally refined from clean pigskin selected by the owner of Cheng Yi restaurant in Gushi County. Originated from the skin, as thin as silk, hence the name "Pisi".

Because of its pleasant flavor, exquisite production and rich nutrition, it was famous all over the world in the Qing Dynasty and was listed as a tribute and entered the palace banquet.

Today, GuShi Silk Skin is not only a kind of food that only appears on people's table, but also has become one of the specialties of Gushi, which is famous all over the world.